Dr Banker specializes in Gastrointestinal disorders including abdominal pain,colon cancer screening, colon polyps and colon cancer detection/prevention, gastroesophageal reflux disease, peptic ulcer,constipation, diarrhea, colitis, Irritable bowel syndrome, diverticulosis/diverticulitis, rectal bleeding/GI bleeding, atypical chest pain,nausea vomitting etc.